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Accept leading digits in hostnames as per RFC 1123.

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Signed-off-by: Edward Z. Yang <ezyang@cs.stanford.edu>
This commit is contained in:
Edward Z. Yang
2016-03-23 22:42:18 -07:00
parent 25db9e1dd0
commit 45161b4fb1
3 changed files with 17 additions and 7 deletions
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6
tests/HTMLPurifier/AttrDef/URI/HostTest.php
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@@ -19,12 +19,13 @@ class HTMLPurifier_AttrDef_URI_HostTest extends HTMLPurifier_AttrDefHarness
$this->assertDef('sub.test.');
$this->assertDef('.test', false);
$this->assertDef('ff');
$this->assertDef('1f', false);
$this->assertDef('1f'); // per RFC 1123
// See also http://serverfault.com/questions/638260/is-it-valid-for-a-hostname-to-start-with-a-digit
$this->assertDef('-f', false);
$this->assertDef('f1');
$this->assertDef('f-', false);
$this->assertDef('sub.ff');
$this->assertDef('sub.1f', false);
$this->assertDef('sub.1f'); // per RFC 1123
$this->assertDef('sub.-f', false);
$this->assertDef('sub.f1');
$this->assertDef('sub.f-', false);
@@ -35,6 +36,7 @@ class HTMLPurifier_AttrDef_URI_HostTest extends HTMLPurifier_AttrDefHarness
$this->assertDef('f1.top');
$this->assertDef('f1_f2.ex.top', false);
$this->assertDef('f-.top', false);
$this->assertDef('1a');
$this->assertDef("\xE4\xB8\xAD\xE6\x96\x87.com.cn", false);